Sentence examples for a higher alert from inspiring English sources

France has been on a higher alert since the kidnapping in Niger last month of seven employees of French companies.

A lot of the packages are packages that turn out to be just packages: packages that appear sinister to a New Yorker on a higher alert.

But the Defense Ministry told a legislative committee on Monday that while security forces had been put on a higher alert, that did not involve any extra personnel and so did not affect voting.

From the facts given by Commander Pittman and what is now suspected about how the attack was carried out, it is still not clear that a higher alert level would have foiled the attack.

"In the wake of this al-Qaeda video, we will be on a higher alert.

With Ana's two subjects, "It was clear that the cerebral rhythm was faster after smoking and that wave amplitude was larger which doesn't mean that things function chaotically, but that the brain is in a higher alert state," explained neurologist Laura Crăciun "Maybe the guy was tripping or had some sort of bizarre feelings".

A "high" alert means a domestic attack is likely.

And there was a high alert in Jerusalem.

"A high alert is sounded in the state".

Sunday evening, Israel issued a high alert for a possible attack in Jerusalem, believing this was the bomber's target.

That concern moved security precautions to a high alert status as the country's air traffic system reopened.